kdump fails to generate vmcore on NFS share because dracut halts the system in pacemaker clustered environment
Issue
- kdump fails to generate vmcore on NFS share because dracut halts the system in pacemaker clustered environment:
[ 1.218467] dracut: FATAL: For argument 'ip=x.y.z.w::x.y.z.w:255.255.255.0::kdump-eth0:none'\nDuplication configurations for 'kdump-eth0'
[ 1.226123] dracut: Refusing to continue
Environment
- Red Hat Enterprise Linux.
NFS share
is used as dump target.- IP aliasing is done(eth0 and eth0:1).
- Pacemaker cluster.
fence kdump
node is added. NFS share
has route set to source ip of eth0 andfence kdump
node has route set to source ip of eth0:1.
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